%P 91-97 %K FĂśldrajztudomĂĄny %D 1972 %A Dzubay MiklĂłs %A JuhĂĄsz JĂĄnos %L acta3134 %V 12 %T Principles for the use of artificial materials in soil amelioration %J Acta Universitatis Szegediensis : acta geographica %O Bibliogr.: 97. p.